[CircularProgress] Handle default props regression

mui · May 31, 2019 · 0399f16 · 0399f16
1 parent 1e7c4e1
commit 0399f16
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/material-ui/src/CircularProgress/CircularProgress.js b/packages/material-ui/src/CircularProgress/CircularProgress.js
@@ -191,7 +191,7 @@ CircularProgress.propTypes = {
    * This only works if variant is `indeterminate`.
    */
   disableShrink: chainPropTypes(PropTypes.bool, props => {
-    if (props.disableShrink && props.variant !== 'indeterminate') {
+    if (props.disableShrink && props.variant && props.variant !== 'indeterminate') {
       return new Error(
         'Material-UI: you have provided the `disableShrink` property ' +
           'with a variant other than `indeterminate`. This will have no effect.',